package com.example.android.gestures.demo.list;
import java.util.ArrayList;
import android.app.ListActivity;
import android.database.Cursor;
import android.gesture.Gesture;
import android.gesture.GestureLibraries;
import android.gesture.GestureLibrary;
import android.gesture.GestureOverlayView;
import android.gesture.Prediction;
import android.gesture.GestureOverlayView.OnGesturePerformedListener;
import android.os.Bundle;
import android.provider.Contacts;
import android.widget.ListAdapter;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;
public class GesturesListActivity extends ListActivity implements OnGesturePerformedListener {
private GestureLibrary mLibrary;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// Populate the activity with the names of our contacts
Cursor query = managedQuery(Contacts.People.CONTENT_URI,
new String[] { Contacts.People._ID, Contacts.People.DISPLAY_NAME },
null, null, Contacts.People.DEFAULT_SORT_ORDER);
ListAdapter adapter = new SimpleCursorAdapter(this,
android.R.layout.simple_list_item_1, query,
new String[] { Contacts.People.DISPLAY_NAME },
new int[] { android.R.id.text1 });
setListAdapter(adapter);
mLibrary = GestureLibraries.fromRawResource(this, R.raw.actions);
if (!mLibrary.load()) {
finish();
}
GestureOverlayView gestures = (GestureOverlayView) findViewById(R.id.gestures);
gestures.addOnGesturePerformedListener(this);
}
public void onGesturePerformed(GestureOverlayView overlay, Gesture gesture) {
ArrayList<Prediction> predictions = mLibrary.recognize(gesture);
if (predictions.size() > 0) {
if (predictions.get(0).score > 1.0) {
String action = predictions.get(0).name;
if ("action_add".equals(action)) {
Toast.makeText(this, "Adding a contact", Toast.LENGTH_SHORT).show();
} else if ("action_delete".equals(action)) {
Toast.makeText(this, "Removing a contact", Toast.LENGTH_SHORT).show();
} else if ("action_refresh".equals(action)) {
Toast.makeText(this, "Reloading contacts", Toast.LENGTH_SHORT).show();
}
}
}
}
}
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